Puzzle Detail
Addition Mathdoku Addition 9×9 — Set 8
| 5= | 10+ | 6= | 20+ | |||||
| 14+ | 21+ | 7= | 5= | |||||
| 3= | 15+ | 2 | 5= | 13+ | ||||
| 14+ | 8= | 9 | 15+ | 3= | 18+ | |||
| 26+ | 3= | 10+1 | ||||||
| 24+ | 2= | 4= | 22+3 | |||||
| 14+ | 25+ | 11+ | 8= | 1 | ||||
| 3= | 4+ | 7= | 6+ | 16+ | ||||
| 7= | 9=9 | 7+ | 5= | 10+ |
Show solution
| 5 | 1 | 3 | 7 | 9 | 6 | 8 | 4 | 2 |
| 9 | 4 | 2 | 3 | 8 | 1 | 6 | 7 | 5 |
| 3 | 8 | 4 | 1 | 2 | 9 | 5 | 6 | 7 |
| 1 | 2 | 8 | 9 | 4 | 3 | 7 | 5 | 6 |
| 4 | 5 | 6 | 8 | 7 | 2 | 3 | 9 | 1 |
| 8 | 7 | 5 | 2 | 6 | 4 | 1 | 3 | 9 |
| 2 | 6 | 7 | 4 | 5 | 8 | 9 | 1 | 3 |
| 6 | 3 | 9 | 5 | 1 | 7 | 4 | 2 | 8 |
| 7 | 9 | 1 | 6 | 3 | 5 | 2 | 8 | 4 |
Solver Notes
2
9
1
3
1
9
Our 9x9 addition mathdoku puzzles challenge you to fill a 9x9 grid using only addition (+) cage targets — great for arithmetic practice and logic training.
What is a 9x9 addition mathdoku?
A 9x9 addition mathdoku is a 9x9 number grid where every cage uses addition (+) as its operation. Fill 1–9 in each row and column with no repeats while satisfying all cage targets.
Can I print this puzzle?
Yes — use the Print button on any puzzle page to get a clean PDF of the 9x9 addition mathdoku with solution.
Who are 9x9 addition mathdoku puzzles best for?
Advanced players and adults who want to practice addition in a logic-puzzle context.